Refrigerator doorlock



A. E. TITUS REFRIGERATOR DOORLOCK Filed Ot. 15, 1924 i 2 Sheets-Sheet 1 Feb. 8,1927. 1,616,998

' A. E. TITUS.

REFRIGERATOR DOORLOCK Filed Oct. 15, 1924' 2 Sheefs-Sheet 2 I 26 y V i l 28 i ip i a refrigerator door lock of simple, but efliis' mounted a wrist pin 12. Au antifriction Patented Feb. 8, 1927.

ALriRn'D mm, or assess. 1

REFRIGERATOR Dboancica.

Application filed October 13, 1924. serial N's-743,327.

The object of my invention to provide cient construction which will hold the door with an air tight joint against the jamb, and- I provide this lock with a key controlled 7 lock whereby the locking bolt'can be firmly *secured against unauthorized manipulation.

- In the drawings:

Figure 1 is a front elevation of the fragmentary part of a-refrigerator and ltSdOQl with my lock in position. i" Figure 2 isa top elevation of'my lock1n position. v a

Figure 3 is a; side elevation-of my improved lock with one ofthe side plates removed and showingthe locking bolt'locked' in its closed position.

Figure 41's a view similar to "Figure 3 with the locking bolt'free to be revolved.

Figure 5 is a detailed sectional. view of I the lock housing andithe' parts therein.

. ing proper.

Figure 6iis atop plan view of another bodiment of my invention. 7

Figure 7 ,'s aside elevation. of the same with the side plate removed, the parts being in normal locked position;

Figure 8 is a view similar to Figure 7 with the parts in unlocked position.

The reference numeral 1 "designates a refrigerator of improved construction having a door 2 adapted, as is usual, to make an'air tight joint with its jamb.

A keeper plate 3 is secured to the jamb of the refrigerator from which extends forwardly the usual keeper catch 4, said catch having a recess in its upper face into which the end of the bolt of the lock is adapted to be set. The outer edge of the keeper catch 4 is, as usual, of general cam contour over which the end of the locking bolt moves in the closing of the door.

The lock comprises a housing 5, mounted on a base 6, which base has suitable screw openings whereby it is screwed to the door. Said housing having a removable plate 7, which is secured by means of suitable screws passing through the openings 8, of thehous- The edge of the wall of. the housingbetween the lugs carrying the screw opening8', is recessed between said open} ings'th'ereby forming a slot 9, betweenside plate 7 and the housing.

A shaft 10, is'revolubly'mounted in the housing 5, with its ends projecting beyond the side walls of the housing, one end (10 projecting materially beyond the sidewall of the housing to whichend is rigidly secureda'n arm 11, on-the other'endof'which roller l3,'is mounted on the" wristpin 12,

which antifriction roller is adapted in the.

and 'drop into the recess of the keeper. i

A key lock is desirable on refrigerators, but with many sizes of refrigerators an eflicient key lock is too expansive, therefore, I have designed a simple, cheap, but'elfectivev lock for all sizes of refrigerators and this lock consists of an arm 15, which I have, for

the purpose of, illustrating'my invention,

shown as integral with the operating handle 16, which operating handle is rigidly mounted on the revoluble shaft 10 within the housing. The arm 15 is provided at its free end with a hook like formation 17 ,which is adapted to be engaged by the detent 18 on a suitable key control lock 19 having a key slot 19.". In Figure 3, I have shown the de-l tent 18 in" engagement with the arm. 15 whereby th-eshaft 10 is locked against movement, while in Figure 4, I have shown the detent l8 out of engagement. of arm 15, whereby the handle 16 and the shaft 10 are free to move in the locked or unlocking movements of the door 2.

20 is a set screw firmly securing the op erating handle16 to the shaft 10.

In Figures 6, 7 and- 8 I have illustrated I another embodiment of my invention in which the keeper plate 3', catch 4, housing 5, base 6', side plate 7, slot 9, arm 11 with its wrist pin 12' and antifriction roller 13 areidentical, in construction, with similar parts described in connection with Fig ures 1 to 5. H

The operating handle 22 has an arm 23 keyed to the shaft 24. within the housing 5., v I 24 is a recess in one edge of the body 2-3 into which the key controlled lock 25 is adapted to bemov ed to lock the operating handle against movement. In the hub 25' of the .detent is secured a suitable lock, the key hole 25 of which is in the end of the hub.

At the bottom of the body 23 is a forwardly extending arm or lug 26 having an opening 27 th-erethrough to be hereinafter referred to.

28 is a bar pivotally mounted at its upper end, Within the housing 5 on the lug 29, said bar having a collar 30 at its upper end against which one end of the coiled spring 31' rests, the other end of said spring being seated on the lug 26, the spring, as shown, being coiled around the bar 28. It will be noted that the lug 26 is slightly inclined downwar dly so that when the parts are moved to V the position shown in Figure '8, the upper face of the lug is vat substantially right angles to the'bar 28." It will alsobe noted that the diameter of the eye 27 is greater than the diameter of the bar 28 whereby the bar is prevented from binding in said open- ,ing as theparts are moved in operation of the 7 look. i

'In the claims the term foperatingihandle will, unless otherwise more specifically beyond the housing, an operating lever rigidly secured to said bolt in the housing and extending through said slot, an arm rigidly connected to the bolt within the housing,

a key controlled detent adapted to engage said arm to lock the bolt in locked position,

and a spring one end of which is anchored to said bolt while its other end is anchored to the housing. 1

2. In a door lock the combination with a housing having side top and bottom walls, an elongated slot in one of said Walls, a

shaft revolubly mounted in said housing.

with one ofits ends projecting beyond the housing,-an arm fixedly secured at one end to said shaft, a wrist pin on the otherend of the shaft and a rolleron said pin, a second arm rigidly secured on the shaftwithin the housing, a recess in one edge of said arm, a key controlledlock adaptedto operate in said recess to controlthe movement of the said second arm, a lug projecting forwardly from the lower end of said second arm, a bar pivotally secured at the top within the housing and extending through said lug, a coiled spring around said arm, one end of which is seated on said lug, and an operating handle integralwith said second arm and projecting outside the housing through said slot. r a

In testimony whereof Iaffixmy signature.

ALFRED n. TrrUs. 

